CVSS: -EPSS: %CPEs: 5EXPL: 0CVE-2024-53119 – virtio/vsock: Fix accept_queue memory leak
https://notcve.org/view.php?id=CVE-2024-53119
In the Linux kernel, the following vulnerability has been resolved: virtio/vsock: Fix accept_queue memory leak As the final stages of socket destruction may be delayed, it is possible that virtio_transport_recv_listen() will be called after the accept_queue has been flushed, but before the SOCK_DONE flag has been set. As a result, sockets enqueued after the flush would remain unremoved, leading to a memory leak. vsock_release __vsock_release lock virtio_transport_release virtio_transport_close schedule_delayed_work(close_work) sk_shutdown = SHUTDOWN_MASK (!) flush accept_queue release virtio_transport_recv_pkt vsock_find_bound_socket lock if flag(SOCK_DONE) return virtio_transport_recv_listen child = vsock_create_connected (!) vsock_enqueue_accept(child) release close_work lock virtio_transport_do_close set_flag(SOCK_DONE) virtio_transport_remove_sock vsock_remove_sock vsock_remove_bound release Introduce a sk_shutdown check to disallow vsock_enqueue_accept() during socket destruction. unreferenced object 0xffff888109e3f800 (size 2040): comm "kworker/5:2", pid 371, jiffies 4294940105 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 28 00 0b 40 00 00 00 00 00 00 00 00 00 00 00 00 (..@............ backtrace (crc 9e5f4e84): [<ffffffff81418ff1>] kmem_cache_alloc_noprof+0x2c1/0x360 [<ffffffff81d27aa0>] sk_prot_alloc+0x30/0x120 [<ffffffff81d2b54c>] sk_alloc+0x2c/0x4b0 [<ffffffff81fe049a>] __vsock_create.constprop.0+0x2a/0x310 [<ffffffff81fe6d6c>] virtio_transport_recv_pkt+0x4dc/0x9a0 [<ffffffff81fe745d>] vsock_loopback_work+0xfd/0x140 [<ffffffff810fc6ac>] process_one_work+0x20c/0x570 [<ffffffff810fce3f>] worker_thread+0x1bf/0x3a0 [<ffffffff811070dd>] kthread+0xdd/0x110 [<ffffffff81044fdd>] ret_from_fork+0x2d/0x50 [<ffffffff8100785a>] ret_from_fork_asm+0x1a/0x30 En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: virtio/vsock: Se soluciona la pérdida de memoria de accept_queue. Como las etapas finales de la destrucción del socket pueden demorarse, es posible que se llame a virtio_transport_recv_listen() después de que se haya vaciado accept_queue, pero antes de que se haya establecido el indicador SOCK_DONE. • https://git.kernel.org/stable/c/3fe356d58efae54dade9ec94ea7c919ed20cf4db https://git.kernel.org/stable/c/2e7dd95046203bd05e8f4dc06ee53cace70a8e3c https://git.kernel.org/stable/c/946c7600fa2207cc8d3fbc86a518ec56f98a5813 https://git.kernel.org/stable/c/897617a413e0bf1c6380e3b34b2f28f450508549 https://git.kernel.org/stable/c/2415345042245de7601dcc6eafdbe3a3dcc9e379 https://git.kernel.org/stable/c/d7b0ff5a866724c3ad21f2628c22a63336deec3f •
CVSS: -EPSS: %CPEs: 2EXPL: 0CVE-2024-53114 – x86/CPU/AMD: Clear virtualized VMLOAD/VMSAVE on Zen4 client
https://notcve.org/view.php?id=CVE-2024-53114
In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Clear virtualized VMLOAD/VMSAVE on Zen4 client A number of Zen4 client SoCs advertise the ability to use virtualized VMLOAD/VMSAVE, but using these instructions is reported to be a cause of a random host reboot. These instructions aren't intended to be advertised on Zen4 client so clear the capability. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: x86/CPU/AMD: Borrar VMLOAD/VMSAVE virtualizado en el cliente Zen4 Varios SoC de cliente Zen4 anuncian la capacidad de usar VMLOAD/VMSAVE virtualizado, pero se informa que el uso de estas instrucciones es la causa de un reinicio aleatorio del host. Estas instrucciones no están destinadas a ser anunciadas en el cliente Zen4, por lo que se debe borrar la capacidad. • https://git.kernel.org/stable/c/00c713f84f477a85e524f34aad8fbd11a1c051f0 https://git.kernel.org/stable/c/a5ca1dc46a6b610dd4627d8b633d6c84f9724ef0 •
CVSS: -EPSS: %CPEs: 4EXPL: 0CVE-2024-53113 – mm: fix NULL pointer dereference in alloc_pages_bulk_noprof
https://notcve.org/view.php?id=CVE-2024-53113
In the Linux kernel, the following vulnerability has been resolved: mm: fix NULL pointer dereference in alloc_pages_bulk_noprof We triggered a NULL pointer dereference for ac.preferred_zoneref->zone in alloc_pages_bulk_noprof() when the task is migrated between cpusets. When cpuset is enabled, in prepare_alloc_pages(), ac->nodemask may be ¤t->mems_allowed. when first_zones_zonelist() is called to find preferred_zoneref, the ac->nodemask may be modified concurrently if the task is migrated between different cpusets. Assuming we have 2 NUMA Node, when traversing Node1 in ac->zonelist, the nodemask is 2, and when traversing Node2 in ac->zonelist, the nodemask is 1. As a result, the ac->preferred_zoneref points to NULL zone. In alloc_pages_bulk_noprof(), for_each_zone_zonelist_nodemask() finds a allowable zone and calls zonelist_node_idx(ac.preferred_zoneref), leading to NULL pointer dereference. __alloc_pages_noprof() fixes this issue by checking NULL pointer in commit ea57485af8f4 ("mm, page_alloc: fix check for NULL preferred_zone") and commit df76cee6bbeb ("mm, page_alloc: remove redundant checks from alloc fastpath"). To fix it, check NULL pointer for preferred_zoneref->zone. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm: corregir la desreferencia de puntero NULL en alloc_pages_bulk_noprof Activamos una desreferencia de puntero NULL para ac.preferred_zoneref->zone en alloc_pages_bulk_noprof() cuando la tarea se migra entre conjuntos de CPU. • https://git.kernel.org/stable/c/387ba26fb1cb9be9e35dc14a6d97188e916eda05 https://git.kernel.org/stable/c/6addb2d9501ec866d7b3a3b4e665307c437e9be2 https://git.kernel.org/stable/c/d0f16cec79774c3132df006cf771eddd89d08f58 https://git.kernel.org/stable/c/31502374627ba9ec3e710dbd0bb00457cc6d2c19 https://git.kernel.org/stable/c/8ce41b0f9d77cca074df25afd39b86e2ee3aa68e •
CVSS: -EPSS: %CPEs: 4EXPL: 0CVE-2024-53112 – ocfs2: uncache inode which has failed entering the group
https://notcve.org/view.php?id=CVE-2024-53112
In the Linux kernel, the following vulnerability has been resolved: ocfs2: uncache inode which has failed entering the group Syzbot has reported the following BUG: kernel BUG at fs/ocfs2/uptodate.c:509! ... Call Trace: <TASK> ? __die_body+0x5f/0xb0 ? die+0x9e/0xc0 ? do_trap+0x15a/0x3a0 ? • https://git.kernel.org/stable/c/7909f2bf835376a20d6dbf853eb459a27566eba2 https://git.kernel.org/stable/c/620d22598110b0d0cb97a3fcca65fc473ea86e73 https://git.kernel.org/stable/c/843dfc804af4b338ead42331dd58081b428ecdf8 https://git.kernel.org/stable/c/b751c50e19d66cfb7360c0b55cf17b0722252d12 https://git.kernel.org/stable/c/737f34137844d6572ab7d473c998c7f977ff30eb •
CVSS: -EPSS: %CPEs: 4EXPL: 0CVE-2024-53110 – vp_vdpa: fix id_table array not null terminated error
https://notcve.org/view.php?id=CVE-2024-53110
In the Linux kernel, the following vulnerability has been resolved: vp_vdpa: fix id_table array not null terminated error Allocate one extra virtio_device_id as null terminator, otherwise vdpa_mgmtdev_get_classes() may iterate multiple times and visit undefined memory. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: vp_vdpa: se corrige el error de matriz id_table no terminada en nulo. Asigne un virtio_device_id adicional como terminador nulo; de lo contrario, vdpa_mgmtdev_get_classes() puede iterar varias veces y visitar memoria no definida. • https://git.kernel.org/stable/c/ffbda8e9df10d1784d5427ec199e7d8308e3763f https://git.kernel.org/stable/c/870d68fe17b5d9032049dcad98b5781a344a8657 https://git.kernel.org/stable/c/c4d64534d4b1c47d2f1ce427497f971ad4735aae https://git.kernel.org/stable/c/0a886489d274596ad1a80789d3a773503210a615 https://git.kernel.org/stable/c/4e39ecadf1d2a08187139619f1f314b64ba7d947 •